In 1900 almost all of one country's energy came from coal. In 2025 almost none of it did. Which is the best explanation for this pattern?
The coal reserves in the country had all run out by 2025.
Coal was replaced as cheaper and cleaner resources became available.
Scientists only discovered that coal could be used as a fuel after 1900.
Coal became a renewable resource during the twentieth century.
40 exam-style questions on AQA GCSE Physics 1.3 National and global energy resources, covering 1.3 National and global energy resources. Each one has a worked solution and a mark scheme showing where the marks go.